diff --git a/config-example.toml b/config-example.toml
index 1310315..cbf8c8e 100644
--- a/config-example.toml
+++ b/config-example.toml
@@ -93,3 +93,5 @@ request_max_body_size = 65536      # bytes
 max_concurrent_connections = 10000
 max_concurrent_bidistream = 100
 max_concurrent_unistream = 100
+max_idle_timeout = 10              # secs. 0 represents an infinite timeout.
+# WARNING: If a peer or its network path malfunctions or acts maliciously, an infinite idle timeout can result in permanently hung futures!
diff --git a/src/config/parse.rs b/src/config/parse.rs
index 39e2dac..c5922bf 100644
--- a/src/config/parse.rs
+++ b/src/config/parse.rs
@@ -176,6 +176,14 @@ pub fn parse_opts(globals: &mut Globals) -> std::result::Result<(), anyhow::Erro
         if let Some(x) = h3option.max_concurrent_unistream {
           globals.h3_max_concurrent_unistream = x.into();
         }
+        if let Some(x) = h3option.max_idle_timeout {
+          if x == 0u64 {
+            globals.h3_max_idle_timeout = None;
+          } else {
+            globals.h3_max_idle_timeout =
+              Some(quinn::IdleTimeout::try_from(tokio::time::Duration::from_secs(x)).unwrap())
+          }
+        }
       }
     }
 
diff --git a/src/config/toml.rs b/src/config/toml.rs
index 258094e..cefacb2 100644
--- a/src/config/toml.rs
+++ b/src/config/toml.rs
@@ -23,6 +23,7 @@ pub struct Http3Option {
   pub max_concurrent_connections: Option<u32>,
   pub max_concurrent_bidistream: Option<u32>,
   pub max_concurrent_unistream: Option<u32>,
+  pub max_idle_timeout: Option<u64>,
 }
 
 #[derive(Deserialize, Debug, Default)]
diff --git a/src/constants.rs b/src/constants.rs
index 2d10747..d2fc25f 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -22,4 +22,5 @@ pub mod H3 {
   pub const MAX_CONCURRENT_CONNECTIONS: u32 = 4096;
   pub const MAX_CONCURRENT_BIDISTREAM: u32 = 64;
   pub const MAX_CONCURRENT_UNISTREAM: u32 = 64;
+  pub const MAX_IDLE_TIMEOUT: u64 = 10; // secs
 }
diff --git a/src/globals.rs b/src/globals.rs
index 6d5e5bc..0bd06a6 100644
--- a/src/globals.rs
+++ b/src/globals.rs
@@ -37,6 +37,8 @@ pub struct Globals {
   pub h3_max_concurrent_unistream: quinn::VarInt,
   #[cfg(feature = "http3")]
   pub h3_max_concurrent_connections: u32,
+  #[cfg(feature = "http3")]
+  pub h3_max_idle_timeout: Option<quinn::IdleTimeout>,
 }
 
 #[derive(Debug, Clone, Default)]
diff --git a/src/main.rs b/src/main.rs
index 2fd8602..b27ed86 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -89,6 +89,8 @@ fn main() {
       h3_max_concurrent_bidistream: H3::MAX_CONCURRENT_BIDISTREAM.into(),
       #[cfg(feature = "http3")]
       h3_max_concurrent_unistream: H3::MAX_CONCURRENT_UNISTREAM.into(),
+      #[cfg(feature = "http3")]
+      h3_max_idle_timeout: Some(quinn::IdleTimeout::try_from(Duration::from_secs(H3::MAX_IDLE_TIMEOUT)).unwrap()),
     };
 
     if let Err(e) = parse_opts(&mut globals) {
diff --git a/src/proxy/proxy_tls.rs b/src/proxy/proxy_tls.rs
index 70d1d1f..416ca8a 100644
--- a/src/proxy/proxy_tls.rs
+++ b/src/proxy/proxy_tls.rs
@@ -130,7 +130,8 @@ where
     let mut transport_config_quic = TransportConfig::default();
     transport_config_quic
       .max_concurrent_bidi_streams(self.globals.h3_max_concurrent_bidistream)
-      .max_concurrent_uni_streams(self.globals.h3_max_concurrent_unistream);
+      .max_concurrent_uni_streams(self.globals.h3_max_concurrent_unistream)
+      .max_idle_timeout(self.globals.h3_max_idle_timeout);
 
     let mut server_config_h3 = QuicServerConfig::with_crypto(Arc::new(rustls_server_config));
     server_config_h3.transport = Arc::new(transport_config_quic);